- A bolt is defined as a bar or rod used for locking or joining two things together.
An example of bolt is a gate lock with a rod that slides from the gate into the other side of the fence.
- The definition of a bolt is a flash of lightening.
A bolt of lightening is a flash of light in the sky right before the sound of thunder.
- Bolt means to suddenly move or run.
An example of to bolt is going from sitting in a chair to running across a room.
A dramatic bolt of lightening.
bolt definition by Webster's New World
- a short, heavy, often blunt arrow shot from a crossbow
- a flash of lightning; thunderbolt
- a sudden dash or movement
- a sliding bar for locking a door, gate, etc.
- a similar bar in a lock, moved by a key
- a threaded metal rod or pin for joining parts, having a head and usually used with a nut
- a roll (of cloth, paper, etc.) of a given length
- a jet or column (of some liquid)
- ☆ a bolting or withdrawal from one's party or group
- Firearms a sliding bar that pushes the cartridge into place, closes the breech, and extracts the empty cartridge case after firing
Origin: Middle English and amp; Old English akin to German bolzen ; from Indo-European base an unverified form bheld-, to knock, strike
- Archaic to shoot (an arrow, etc.)
- to say suddenly or unexpectedly; blurt (out)
- to swallow (food) hurriedly; gulp down
- to hold together or fasten with or as with a bolt
- to roll (cloth, etc.) into bolts
- ☆ to withdraw support from or abandon (a party, group, etc.)
- to dash out suddenly; spring; dart
- to start suddenly and run away, as a horse
- ☆ to withdraw support from or abandon a party, group, etc.
- Hort. to produce seed prematurely
- to sift (flour, grain, etc.) so as to separate and grade
- Archaic to inspect and separate, as good from bad; examine closely
Origin: Middle English bulten ; from Old French buleter, uncertain or unknown; perhaps dissimilated ; from an unverified form bureter ; from bure (; from Vulgar Latin an unverified form bura), coarse cloth; akin to Italian burattare ; from buratto, sieve
bolt definition by American Heritage Dictionary
- A bar made of wood or metal that slides into a socket and is used to fasten doors and gates.
- A metal bar or rod in the mechanism of a lock that is thrown or withdrawn by turning the key.
- A fastener consisting of a threaded pin or rod with a head at one end, designed to be inserted through holes in assembled parts and secured by a mated nut that is tightened by applying torque.
- a. A sliding metal bar that positions the cartridge in breechloading rifles, closes the breech, and ejects the spent cartridge.b. A similar device in any breech mechanism.
- A short, heavy arrow with a thick head, used especially with a crossbow.
- A flash of lightning; a thunderbolt.
- A sudden or unexpected event: The announcement was a veritable bolt.
- A sudden movement toward or away.
- A large roll of cloth of a definite length, especially as it comes from the loom.
- To secure or lock with or as if with a bolt.
- To arrange or roll (lengths of cloth, for example) on or in a bolt.
- To eat (food) hurriedly and with little chewing; gulp.
- To desert or withdraw support from (a political party).
- To utter impulsively; blurt.
- Archaic To shoot or discharge (a missile, such as an arrow).
- To move or spring suddenly.
- To start suddenly and run away: The horse bolted at the sound of the shot. The frightened child bolted from the room.
- To break away from an affiliation, as from a political party.
- Botany To flower or produce seeds prematurely or develop a flowering stem from a rosette.
Origin: Middle English, from Old English, heavy arrow.
transitive verb bolt·ed, bolt·ing, bolts
Origin: Middle English bulten, from Old French buleter, from Middle High German biuteln, from biutel, bag, purse.
bolt - Phrases/Idioms
bolt from the blue
- a thunderbolt from a clear sky
- a sudden, unforeseen occurrence, often an unfortunate one
shoot one's bolt
bolt from the blue